AIMC Topic: Ochratoxins

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Real-Time Classification of Ochratoxin a Contamination in Grapes Using AI-Enhanced IoT.

Sensors (Basel, Switzerland) Jan 28, 2025
Ochratoxin A (OTA) contamination presents significant risks in viticulture, affecting the safety and quality of wine and grape-derived products. This study introduces a groundbreaking method for early detection and management of OTA, leveraging envir...
Artificial Intelligence Vitis Ochratoxins Wine Food Contamination
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A novel four-modal nano-sensor based on two-dimensional Mxenes and fully connected artificial neural networks for the highly sensitive and rapid detection of ochratoxin A.

Talanta Nov 5, 2024
Timely and accurate on-site detection of ochratoxin A (OTA) is extremely important for global public health. In this study, a fluorescence/colorimetric biosensor based on TiC nano-materials (TiC-NMS) and a machine-learning (ML) based fluorescence/col...
Neural Networks, Computer Colorimetry Ochratoxins Spectrometry, Fluorescence DNA, Single-Stranded Nanostructures Titanium Food Contamination Limit of Detection Biosensing Techniques
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Development of a new format of competitive immunochromatographic assay using secondary antibody-europium nanoparticle conjugates for ultrasensitive and quantitative determination of ochratoxin A.

Food chemistry Sep 19, 2018
In this study, to enhance the sensitivity of conventional immunochromatographic assay (ICA) two strategies including using a high sensitive label and changing the assay format, were simultaneously applied to develop an ultrasensitive format of ICA. I...
Limit of Detection Antibodies, Immobilized Ochratoxins Immunoassay Antibodies Triticum Europium Nanoparticles
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Highly sensitive colorimetric aptasensor for ochratoxin A detection based on enzyme-encapsulated liposome.

Analytica chimica acta Nov 27, 2017
A simple, low-cost, and sensitive liposome-based colorimetric aptasensor has been developed to detect ochratoxin A (OTA). Specifically, a dumbbell-shaped probe was designed, including magnetic beads (MBs), double-stranded DNA (dsDNA), and enzyme-enca...
Capsules Horseradish Peroxidase Ochratoxins Zea mays Liposomes Limit of Detection Colorimetry Aptamers, Nucleotide Biosensing Techniques Food Analysis
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Fluorescence resonance energy transfer aptasensor between nanoceria and graphene quantum dots for the determination of ochratoxin A.

Analytica chimica acta Aug 24, 2017
In the present work, colloidal cerium oxide nanoparticles (nanoceria) and graphene quantum dots (GQDs) were firstly synthesized by sol-gel method and pyrolysis respectively, which all have a uniform nano-size and significant fluorescence emission. Du...
Fluorescence Resonance Energy Transfer Graphite Nanoparticles Ochratoxins Aptamers, Nucleotide Quantum Dots
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Nanobody-based enzyme immunoassay for ochratoxin A in cereal with high resistance to matrix interference.

Talanta Nov 19, 2016
A sensitive indirect competitive nanobody-based enzyme linked immunosorbent assay (Nb-ELISA) for ochratoxin A (OTA) with high resistance to cereal matrix interference was developed. Nanobodies against OTA (Nb15, Nb28, Nb32, Nb36) were expressed in E....
Ochratoxins Single-Domain Antibodies Food Contamination Edible Grain Enzyme-Linked Immunosorbent Assay Biosensing Techniques
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Liquid chromatography quadrupole time-of-flight mass spectrometry selective determination of ochratoxin A in wine.

Food chemistry Dec 9, 2015
The performance of liquid chromatography quadrupole time-of-flight mass spectrometry (LC-QTOF-MS) for ochratoxin A (OTA) determination in wine is evaluated for the first time. Sample preparation was optimized to obtain quantitative recoveries at the ...
Wine Solid Phase Extraction Chromatography, Liquid Ochratoxins Mass Spectrometry
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